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arm64: docs: Document SSBS HWCAP 

We advertise the MRS/MSR instructions for toggling SSBS at EL0 using an
HWCAP, so document it along with the others.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
hifive-unleashed-5.1
Will Deacon 2018-10-01 15:24:48 +01:00 committed by Catalin Marinas
parent 4bfbe5eee3
commit ee91176120
1 changed files with 4 additions and 0 deletions
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4
Documentation/arm64/elf_hwcaps.txt
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@ -178,3 +178,7 @@ HWCAP_ILRCPC
HWCAP_FLAGM
Functionality implied by ID_AA64ISAR0_EL1.TS == 0b0001.
HWCAP_SSBS
Functionality implied by ID_AA64PFR1_EL1.SSBS == 0b0010.